On 10/26/2015 05:55 PM, Felipe F. Tonello wrote:
> This patch fixes a memory leak that occurs when an endpoint fails to enqueue
> the request. If that happens the complete function will never be called, thus
> never freeing the request.
> 
> Signed-off-by: Felipe F. Tonello <e...@felipetonello.com>
> ---
>  drivers/usb/gadget/function/f_midi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/gadget/function/f_midi.c 
> b/drivers/usb/gadget/function/f_midi.c
> index 4c01c8a..0e9cdeb 100644
> --- a/drivers/usb/gadget/function/f_midi.c
> +++ b/drivers/usb/gadget/function/f_midi.c
> @@ -344,6 +344,7 @@ static int f_midi_set_alt(struct usb_function *f, 
> unsigned intf, unsigned alt)
>               if (err) {
>                       ERROR(midi, "%s queue req: %d\n",
>                                   midi->out_ep->name, err);
> +                     free_ep_req(midi->out_ep, req);
>               }
>       }
>  
> 

Don't we have similar problem in f_midi_transmit() and f_midi_complete()
functions?

Best regards,
Robert

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